P-5

Ancillary Services Prices, Day Ahead Market

04/12/2007

Time StampEastWest
10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)
00:000.250.250.25450.250.250.2545
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.840.840.25450.250.250.2545
06:003.893.890.25450.250.250.2545
07:0010.493.990.55570.50.555
08:00103.50.55570.50.555
09:00103.50.55570.50.555
10:00103.090.55570.50.555
11:009.573.070.55570.50.555
12:009.573.070.55570.50.555
13:009.573.070.55570.50.555
14:009.573.070.55570.50.555
15:009.573.070.55570.50.555
16:009.563.060.55570.50.555
17:009.563.060.55570.50.555
18:009.563.060.55570.50.555
19:00103.060.55570.50.555
20:00103.06256.58.52256.5
21:009.573.070.55570.50.555
22:009.993.490.55570.50.555
23:003.893.890.3550.30.30.355